带编码器的Z-Wave LED控制器。 Z-Uno + MOSFET +编码器

#define PUSH_BUTTON 23 #define ENCODER_CHA_PIN 19 #define ENCODER_CHB_PIN 20 #define LEV_SHIFT 8 #define ENCODER_DEBONCE 4 #define STATE_IDLE 0xFF #define STATE_SKIP 0xFE ZUNO_SETUP_ISR_GPTIMER(gpt_handler); ZUNO_SETUP_CHANNELS(ZUNO_SWITCH_MULTILEVEL(getter, setter)); byte level = 0; byte last_reported_level = 0; byte g_state = STATE_IDLE; byte g_pins = 0; byte g_debounce_time = 0; byte last_push_button_state = HIGH; byte stored_level = 0; dword last_level_changed_time = 0; // Runs every 128 μs void gpt_handler() { byte pins = 0; pins = !digitalRead(ENCODER_CHA_PIN); if(!digitalRead(ENCODER_CHB_PIN)) pins |= 2; if(g_pins == pins) { // Is the state stable? g_debounce_time++; if(g_debounce_time>ENCODER_DEBONCE) { if(g_state == STATE_IDLE) { g_state = pins; } else if(g_state == STATE_SKIP) { if(pins == 0) g_state = 0; } else { if((g_state == 0 && pins == 1) || (g_state == 1 && pins == 3) || (g_state == 3 && pins == 2) || (g_state == 2 && pins == 0) ) { if (level < 39) { level++; } else if ((level + LEV_SHIFT) <= 255) { level += LEV_SHIFT; } else if ((level + LEV_SHIFT) > 255){ level = 255; } } else if((g_state == 0 && pins == 2) || (g_state == 2 && pins == 3) || (g_state == 3 && pins == 1) || (g_state == 1 && pins == 0) ) { if (level <= 39 && level !=0) { level--; } else if (level >= LEV_SHIFT) { level -= LEV_SHIFT; } else if (level < 0) { level = 0; } } if(g_state != pins) g_state = STATE_SKIP; } g_debounce_time = 0; } } else { g_debounce_time = 0; } g_pins = pins; } void setup() { Serial.begin(); pinMode(PUSH_BUTTON, INPUT_PULLUP); pinMode(ENCODER_CHA_PIN, INPUT); pinMode(ENCODER_CHB_PIN, INPUT_PULLUP); zunoGPTInit(ZUNO_GPT_SCALE1024|ZUNO_GPT_CYCLIC); // 32 MHz/1024 = 31.25 kHz (tick is 32 μs) zunoGPTSet(4); // 32 μs * 4 = 128 μs zunoGPTEnable(1); } void loop() { // Do we need to report the level? if(last_reported_level != level) { if (level > 0) { stored_level = level; } last_reported_level = level; analogWrite(PWM1, level); last_level_changed_time = millis(); Serial.print("Level: "); Serial.println(level); } // Button handler byte current_push_button_state = digitalRead(PUSH_BUTTON); if (current_push_button_state != last_push_button_state) { last_push_button_state = current_push_button_state; // if button pressed if (last_push_button_state == LOW) { // if LED turned ON, turn OFF if (level > 0) { analogWrite(PWM1, 0); level = 0; } // Restore last level else { analogWrite(PWM1, stored_level); level = stored_level; } } } // Send report if 2 seconds level not changed if (last_level_changed_time && millis() > last_level_changed_time + 2000) { last_level_changed_time = 0; zunoSendReport(1); } } void setter(byte value) { if (value > 99) { value = 99; } level = (long)value * 255 / 99; analogWrite(PWM1, level); } byte getter(void) { return last_reported_level * 99 / 255; }